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Safety Relief Valve NSN 4820-00-375-8204

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN 4820-00-375-8204 NSN: 4820-00-375-8204

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Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Maximum Operating Temp
550.0 degrees fahrenheit single response
Connection Style
Plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Adjustable Pressure Range
+176.0/+250.0 pounds per square inch
Thread Size
0.500 inches all ends
Material
Copper alloy body
Media For Which Designed
Air single response
Style Designator
Angle
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
003758204
NSN
4820003758204

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1227-8-00
Cage Code:
5P967
Status:
A
MSDS:
Part Number:
1227-1/2IN 176 TO 250 PSI
Cage Code:
37239
Status:
A
MSDS:
Part Number:
5056-275PCV14
Cage Code:
81316
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-375-8204
What are the manufacturers of nsn 4820003758204?
Does this nsn 4820003758204 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820003758204
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does nsn 4820003758204 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820003758204 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820003758204?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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